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dc.contributor.authorGarrido, J.
dc.contributor.authorGarrido-Jurado, Sergio
dc.contributor.authorVázquez, Francisco
dc.contributor.authorArrieta, Orlando
dc.date.accessioned2024-02-13T10:28:25Z
dc.date.available2024-02-13T10:28:25Z
dc.date.issued2024
dc.identifier.issn2079-9292
dc.identifier.urihttp://hdl.handle.net/10396/27451
dc.description.abstractThe design of multivariable process control systems is specially complicated when there are strong interactions between the different control loops, and even more with multiple time delays. This paper proposes an iterative design method of centralized proportional-integral-derivative (PID) controllers for stable linear systems. The methodology is based on the linear parameterization of equivalent loop transfer functions (ELTFs) for centralized control. These functions capture the dynamics of the other loops and, from a prior design, allow solving the design problem at each iteration with linear programming that shapes the Nyquist plot of the ELTFs in the frequency domain, which also avoids the need for approximations. Two optimizations are proposed: (I) maximizing integral gains by fulfilling linear robustness margins in each ELTF and (II) maximizing linear robustness margins by fulfilling minimum bandwidths in each loop. In both optimizations, static decoupling and decoupling at a frequency close to the bandwidth of each loop are included as constraints, which improves the decoupling performance and the procedure convergence. The effectiveness of the method is verified in three simulation examples (square and non-square) and a lab experimental process. The proposed designs achieve a similar or better response when compared to that achieved by other authors.es_ES
dc.format.mimetypeapplication/pdfes_ES
dc.language.isoenges_ES
dc.publisherMDPIes_ES
dc.rightshttps://creativecommons.org/licenses/by/4.0/es_ES
dc.sourceElectronics, 13(4), 698 (2024)es_ES
dc.subjectMultivariable controles_ES
dc.subjectPID controles_ES
dc.subjectDecoupling controles_ES
dc.subjectLinear programminges_ES
dc.subjectProcess controles_ES
dc.subjectFrequency domain specificationses_ES
dc.titleDesign of multivariable PID control using iterative linear programming and decouplinges_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.relation.publisherversionhttps://doi.org/10.3390/electronics13040698es_ES
dc.relation.projectIDGobierno de España. MCIN/AEI/10.13039/501100011033es_ES
dc.relation.projectIDGobierno de España. grant number PID2020-117063RB-I00es_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES


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